Water Intake

Calculate your daily recommended water intake.

Formula & Methodology

Daily water intake is commonly estimated as weight (kg) × 35 ml, adjusted for activity and climate.

Worked Example

A 70 kg person needs about 2.45 liters of water per day before activity adjustments.

Frequently Asked Questions

How much water should I drink?

A common guideline is about 35 ml per kg of body weight, increased for exercise, heat, and pregnancy. Needs vary by individual.

Does food count toward intake?

Yes. Many foods, especially fruits and vegetables, contribute to daily hydration.

Is this medical advice?

No. Hydration needs vary with health conditions and medications. Consult a provider for specific guidance.

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